Question: What is the flash point of malathion whose criterion used is lower bound?
Paraphrase: Malathion whose criterion used is lower bound has a flashpoint of this?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q423005 p:P2128 ?s . ?s ps:P2128 ?obj . ?s pq:P1013 wd:Q21067468 }